var lastSelected;
lastSelected = null;

//Highlight image script- By Dynamic Drive
//For full source code and more DHTML scripts, visit http://www.dynamicdrive.com
//This credit MUST stay intact for use

function makevisible(cur,which)
{
	strength=(which==0)? 1 : 0.5

	if (lastSelected != cur && cur.style.MozOpacity)
	{
		cur.style.MozOpacity=strength
	}
	else if (lastSelected != cur && cur.filters)
	{
		cur.filters.alpha.opacity=strength*100
	}
}

function SetLastAndReset(currentImage)
{
	var lastRef;
	
	lastRef = lastSelected;
	
	lastSelected = currentImage;
	
	if(lastRef != null)
		makevisible(lastRef, 1);
}